Gene Therapy

Studies from M. Kortylewski and colleagues provide new data on gene therapy

Published in Gene Therapy Weekly, December 10th, 2009

"Efficient delivery of small interfering (si)RNA to specific cell populations in vivo remains a formidable challenge to its successful therapeutic application. We show that siRNA synthetically linked to a CpG oligonucleotide agonist of toll-like receptor (TLR)9 targets and silences genes in TLR9(+) myeloid cells and B cells, both of which are key components of the tumor microenvironment," researchers in the United States report.

"When a CpG-conjugated siRNA that targets the immune suppressor gene Stat3 is injected in mice either locally at the tumor site or intravenously, it enters tumor-associated dendritic cells, macrophages and B cells. Silencing of Stat3 leads to...

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Source: Gene Therapy Weekly (2009-12-10)

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